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![Sitting on 200 million years of geological history cgs02432.jpg Sitting on 200 million years of geological history](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02432.jpg?itok=jXBdXKkZ)
Description
Sitting on 200 million years of geological history. (Image credit: Courtesy of Family of Captain Ray Schoppe, USC&GS; (dec.))
Credit
Courtesy of Family of Captain Ray Schoppe, USC&GS; (dec.)
Display Date
1920 summer
Location
Arizona
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey